‘EdgeRank’ key to Facebook visibility

It's official: Real estate brokers and agents trying to connect with consumers on Facebook raise their profiles when they create content that's shared, commented on, or "like" tagged by other users they interact with often.While it's obvious that Facebook posts with viral appeal will have higher visibility, Facebook engineers have revealed that compelling content generates a higher "EdgeRank," increasing the likelihood that a post will show up in the news feed of a user's friends.Unlike Google's mysterious search-engine algorithms, the EdgeRank formula is now a matter of public record, after Facebook engineers Ruchi Sanghvi and Ari Steinberg explained its inner workings at a recent developer conference.Writing about the presentation for TechCrunch, Jason Kincaid notes that comments are likely to be more important than "like" tags, and that comments from users you have frequent interactions with -- as measured by "affinity score" -- are more valua...